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Taxonomy of the genus Clemmys Biodiversity of the family Emydidae

Bibliography of the genus
Clemmys (American Spotted Turtle)

(Reptilia: Testudines: Emydidae)

Note: In order to limit redundancy, relevant literature indexed in the related bibliographies in the left column may not have been included in this page. For a comprehensive search of literature, these bibliographies should therefore also be consulted.


Clemmys guttata

Adler, K.K. 1961. Egg-laying in the spotted turtle Clemmys guttata (Schneider). Ohio Journal of Science 61(3): 180-182.

Allard, H.A. 1909. Notes on two common turtles of eastern United States. Science (New York) 30: 453-454.

Angielczyk, K.D.; Feldman, C.R. 2013. Are diminutive turtles miniaturized? The ontogeny of plastron shape in emydine turtles. Biological Journal of the Linnean Society 108(4): 727-755.

Banicki, L.H. 1981. New records of the Spotted Turtle, Clemmys guttata in northern Florida. Florida Scientist 44(4): 253-254.

Barnwell, M.E.; Meylan, P.A.; Walsh, T. 1997. The Spotted Turtle (Clemmys guttata) in central Florida. Chelonian Conservation and Biology 2(3): 405-408.

Bartlett, R.D. 2001. Random notes on the pond and Blanding's Turtles. Reptile & Amphibian Hobbyist 6(6): 8-12, 14-16.

Beaudry, F.; DeMaynadier, P.G.; Hunter, M.L. 2009. Seasonally dynamic habitat use by spotted (Clemmys guttata) and Blanding's Turtles (Emydoidea blandingii) in Maine. Journal of Herpetology 43(4): 636-645.

Beaudry, F.; DeMaynadier, P.G.; Hunter, M.L. 2010. Nesting movements and the use of anthropogenic nesting sites by Spotted Turtles (Clemmys guttata) and Blanding's Turtles (Emydoidea blandingii). Herpetological Conservation and Biology 5(1): 1-8.

Belmore, B. 1972. Firewell spotted turtles. International Turtle and Tortoise Society Journal 6(4): 26-27.

Belmore, B. 1973. Clemmys guttata - notes on reproduction. Herp 10(1-2): 37-38.

Berry, J.F.; Gidden, C.S. 1973. The spotted turtle in Florida and southern Georgia. Florida Scientist 36(2-4): 198-200.

Bickham, J.W. 1975. A cytosystematic study of turtles in the genera Clemmys, Mauremys and Sacalia. Herpetologica 31(2): 198-204.

Bickham, J.W.; Lamb, T.; Minx, P.; Patton, J.C. 1996. Molecular systematics of the genus Clemmys and the intergeneric relationships of emydid turtles. Herpetologica 52(1): 89-97.

Blake, S.F. 1921. Sexual differences in Coloration in the Spotted turtle, Clemmys guttata. Proceedings of the United States National Museum 59: 463-469.

Brophy, T.R.; Krivenko, A.; Raichel, D. 2002. Clemmys guttata (Spotted Turtle). Catesbeiana 22(2): 56-57.

Bury, R.B.; Ernst, C.H. 1977. Clemmys. Catalogue of American Amphibians and Reptiles 203: 1-2.

Camp, C.D.; Powders, V.N. 1980. Geographic distribution: Clemmys guttata. Herpetological Review 11(3): 80.

Carroll, D.M.; Ultsch, G.R. 2007. Emergence season and survival in the nest of hatchling turtles in southcentral New Hampshire. Northeastern Naturalist 14(2): 307-310.

Charles, F. 2006. Construction d'un enclos dans la moitie nord de la France pour des tortues palustres nord-americaines. Cheloniens 2: 12-17.

Chippindale, P. 1989. Courtship and nesting records for Spotted Turtles, Clemmys guttata, in the Mer Bleue Bog, southeastern Ontario. Canadian Field-Naturalist 103(2): 289-291.

Clifford, M. 2006. Clemmys guttata (Spotted Turtle). Catesbeiana 26(2): 73-74.

Colt, L.C.; Saumure, R.A.; Baskinger, S. 1995. First record of the algal genus Basicladia (Chlorophyta, Cladophorales) in Canada. Canadian Field-Naturalist 109(4): 454-455.

Cook, F.R.; Lafontaine, J.D.; Black, S.; Luciuk, L.; Lindsay, R.V. 1980. Spotted Turtles (Clemmys guttata) in eastern Ontario and adjacent Quebec. Canadian Field-Naturalist 94(4): 411-415.

Cordero, G.A. 2009. Natural history notes: Clemmys guttata (Spotted Turtle). Displacement. Herpetological Review 40(1): 74.

Cross, M.D.; Bekker, K. 2017. Natural history notes: Clemmys guttata (Spotted Turtle). Fire scarring. Herpetological Review 48(1): 175.

Cross, M.D.; Bekker, K.A. 2018. Natural history notes: Clemmys guttata (Spotted Turtle). Fire scar healing. Herpetological Review 49(1): 106.

Davy, C.M.; Murphy, R.W. 2014. Conservation genetics of the endangered Spotted Turtle (Clemmys guttata) illustrate the risks of 'bottleneck tests. Canadian Journal of Zoology 92(2): 149-162.

DeGraaf, J.D.; Nein, D.G. 2010. Predation of Spotted Turtle (Clemmys guttata) hatchling by Green Frog (Rana clamitans). Northeastern Naturalist 17(4): 667-670.

Dijk, P.P. van 2016. Clemmys guttata. The IUCN Red List of Threatened Species 2016: e.T4968A97411228. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T4968A11103766.en.

Dunn, E.R. 1920. Note on Melanemys, Shufeldt. Copeia 1920(77): 7-8.

Edwards, K. 2010. Haltung und Zucht der Tropfenschildkröte, Clemmys guttata, einem amerikanischen Juwel. Schildkröten im Fokus 7(4): 21-28.

Ek, D.A. 2013. Clemmys guttata (Spotted Turtle). Catesbeiana 33(2): 72-73.

Enneson, J.J.; Litzgus, J.D. 2008. Using long-term data and a stage-classified matrix to assess conservation strategies for an endangered turtle (Clemmys guttata). Biological Conservation 141(6): 1560-1568.

Enneson, J.J.; Litzgus, J.D. 2009. Stochastic and spatially explicit population viability analyses for an endangered freshwater turtle, Clemmys guttata. Canadian Journal of Zoology 87(12): 1241-1254.

Ernst, C.H. 1967. A mating aggregation of the turtle Clemmys guttata. Copeia 1967: 473-474.

Ernst, C.H. 1968. Homing ability in the spotted turtle, Clemmys guttata (Schneider). Herpetologica 24: 77-78.

Ernst, C.H. 1970. Home range of the spotted turtle, Clemmys guttata (Schneider). Copeia 1970: 391-393.

Ernst, C.H. 1970. Reproduction in Clemmys guttata. Herpetologica 26: 228-232.

Ernst, C.H. 1972. Clemmys guttata. Catalogue of American Amphibians and Reptiles 124: 1-2.

Ernst, C.H. 1975. Growth of the spotted turtle, Clemmys guttata. Journal of Herpetology 9(3): 313-318.

Ernst, C.H. 1976. Ecology of the spotted turtle, Clemmys guttata (Reptilia, Testudines, Testudinidae), in southeastern Pennsylvania. Journal of Herpetology 10(1): 25-33.

Ernst, C.H. 1982. Environmental temperatures and activities in wild Spotted Turtles, Clemmys guttata. Journal of Herpetology 16(2): 112-120.

Ernst, C.H. 1983. Life history notes: Clemmys guttata (Spotted Turtle) X Clemmys muhlenbergii (Bog Turtle). Natural hybrid. Herpetological Review 14(3): 75.

Ernst, C.H. 2001. An overview of the North American turtle genus Clemmys Ritgen, 1828. Chelonian Conservation and Biology 4(1): 211-216.

Ernst, C.H.; Zug, G.R. 1994. Observations on the reproductive biology of the Spotted Turtle, Clemmys guttata, in southeastern Pennsylvania. Journal of Herpetology 28(1): 99-102.

Eylander, A.; Artner, H. 1999. Haltung, Nach- und Aufzucht der Tropfenschildkröte Clemmys guttata (Schneider, 1792). Emys 6(4): 4-13.

Farrell, K.; Masi, L. 2015. Natural history notes: Glyptemys muhlenbergii (Bog Turtle) and Clemmys guttata (Spotted Turtle). Shared nest site. Herpetological Review 46(1): 80.

Folkerts, G.W. 1967. A spotted turtle, Clemmys guttata (Schneider), from southeastern Georgia. Herpetologica 23: 63.

Freeman, H.W. 1955. Part V. The amphibia and reptilia of the Savannah river project area. 2. Chelonia. 3. Crocodilia, Sauria and Serpentes. U.S. Cur. Publ. Biol. 1(4): 239-244, 275-291.

Graham, T.E. 1970. Growth rate of the spotted turtle, Clemmys guttata, in southern Rhode Island. Journal of Herpetology 4(1-2): 87-88.

Graham, T.E. 1973. Temperature-photoperiod effects on diet locomotor activity and thermal selection in the turtles, Chrysemys picta (Schneider), Clemmys guttata (Schneider), and Sternotherus odoratus (Latreille). Dissertation Abstracts International 33B(8): 4037.

Graham, T.E. 1995. Habitat use and population parameters of the Spotted Turtle, Clemmys guttata, a species of special concern in Massachusetts. Chelonian Conservation and Biology 1(3): 207-214.

Graham, T.E.; Hutchison, V.H. 1979. Effect of temperature and photoperiod acclimatization on thermal preferences of selected freshwater turtles. Copeia 1979(1): 165-169.

Grant, C. 1935. Notes on the spotted turtle of northern Indiana. With special reference to secondary sexual differences. Proceedings of the Indiana Academy of Science 44: 244-247.

Gray, B.S. 2004. Report on a population of Spotted Turtles, Clemmys guttata, in western Erie County, Pennsylvania. Bulletin of the Chicago Herpetological Society 39(2): 21-29.

Gray, B.S.; Curtis, P. 2003. A note on the sexual dichromatism in Clemmys guttata from Erie County, Pennsylvania. Bulletin of the Chicago Herpetological Society 38(6): 120-121.

Hamann, C.B. 1939. A note on the occurrence of the spotted turtle Clemmys guttata (Schneider) in Indiana. Proceedings of the Indiana Academy of Science 48: 227.

Haxton, T. 1998. Large Spotted Turtles, Clemmys guttata, sampled in central Ontario. Canadian Field-Naturalist 112(4): 717-718.

Haxton, T.; Berrill, M. 1999. Habitat selectivity of Clemmys guttata in central Ontario. Canadian Journal of Zoology 77(4): 593-599.

Haxton, T.; Berrill, M. 2001. Seasonal activity of Spotted Turtles (Clemmys guttata) at the northern limit of their range. Journal of Herpetology 35(4): 606-614.

Hennig, A.S. 2015. Tropfen- und Waldbachschildkröte (Clemmys guttata & Glyptemys insculpta). Edition Chimaira, Frankfurt am Main. 94 pp.

Hennig, A.S. 2016. Spotted & Wood Turtles (Clemmys guttata & Glyptemys insculpta). Edition Chimaira, Frankfurt am Main. 94 pp.

Hennig, A.S. 2017. Clemmys guttata (Schneider, 1792) Tropfenschildkröte. Marginata 55: ?

Herman, D.W. 1990. Captive husbandry of the eastern Clemmys group at Zoo Atlanta. pp. 54-62. In: Beaman, K.R.; Caporaso, F.; McKeown, S. & Graff, M.D. (eds.). Proceedings of the First International Symposium on Turtles and Tortoises: conservation and captive husbandry, Chapman University, August 9-12, 1990. California Turtle and Tortoise Club, Van Nuys. 171 pp.

Herrington, B. 1990. Geographic distribution: Clemmys gutatta (Spotted Turtle). Herpetological Review 21(1): 26.

Herrington, B. 1990. Geographic distribution: Clemmys guttata (Spotted Turtle). Herpetological Review 21(2): 39.

Howell, H.J.; McKnight, D.G.; Seigel, R.A. 2016. A novel method of collecting Spotted Turtles (Clemmys guttata). Herpetological Review 47(2): 202-205.

Howell, H.J.; Seigel, R.A. 2018. An examination of the accuracy of using plastral scute rings to age Spotted Turtles (Clemmys guttata). Chelonian Conservation and Biology 17(1): 104-108.

Humphreys, G.B.; Mallory, F.F. 1977. Colour preferences of the pond slider, Chrysemys scripta elegans (Schöpff) and the spotted turtle, Clemmys guttata (Schneider). Ontario Field Biologist 31(2): 41-44.

Jensen, J.B.; Stevenson, D.J. 2008. Geographic distribution: Clemmys guttata (Spotted Turtle). Herpetological Review 39(2): 235.

Johnson, J.H. 2004. Husbandry and medicine of aquatic reptiles. Seminars in Avian and Exotic Pet Medicine 13(4): 223-228.

Johnson, K.A. 1983. The decline of the Spotted Turtle, Clemmys guttata, in northeastern Illinois. Bulletin of the Chicago Herpetological Society 18(2): 37-41.

Joyal, L.A.; McCollough, M.; Hunter, M.L. 2001. Landscape ecology approaches to wetland species conservation: a case study of two turtle species in southern Maine. Conservation Biology 15(6): 1755-1762.

Kaye, D.R.J.; Walsh, K.M.; Rulison, E.L.; Ross, C.C. 2006. Spotted Turtle use of a culvert under relocated route 44 in Carver, Massachusetts. pp. 426-432. In: Irwin, C.L.; Garrett, P.; McDermott, K.P. (eds.). On the road to stewardship. International Conference on Ecology and Transportation 2005 Proceedings, August 29 - September 2, 2005, San Diego, California. ITRE, North Carolina State University, Raleigh. 712 pp.

Kozuch, L. 1989. Geographic distribution: Clemmys guttata (Spotted Turtle). Herpetological Review 20(3): 76.

Krolak, M.; Bidmon, H.J. 2016. Klärung von Gesundheitsproblemen im Internet: Hilfegesuch bei der Haltung einer Tropfenschilkröte Clemmys guttata. Schildkröten im Fokus 13(2): 22-25.

Krolak, M.; Krolak, R. 2015. Schwarzgoldene Juwelen im Garten: Ganzjährige geschützte Freilandgruppenhaltung der Tropfenschildkröte, Clemmys guttata. Schildkröten im Fokus 12(1): 3-18.

Lambertz, H.; Lambertz, K. 2002. Langjährige Zuchterfolge von Clemmys guttata. Elaphe 10(1): 37-41.

Latham, R. 1969. The spotted turtle on eastern Long Island. Engelhardtia 2(2): 10.

Lewis, T.L.; Faulhaber, C.A. 1999. Home ranges of Spotted Turtles (Clemmys guttata) in southwestern Ohio. Chelonian Conservation and Biology 3(3): 430-434.

Lewis, T.L.; Ritzenthaler, J. 1997. Characteristics of hibernacula use by Spotted Turtles, Clemmys guttata, in Ohio. Chelonian Conservation and Biology 2(4): 611-615.

Lewis, T.L.; Ullmer, J.M.; Mazza, J.L. 2004. Threats to Spotted Turtle (Clemmys guttata) habitat in Ohio. Ohio Journal of Science 104(3): 65-71.

Litzgus, J.D. 2006. Linnaeus Fund research report: latitudinal variation in life history of the Spotted Turtle (Clemmys guttata): the southern extreme. Turtle and Tortoise Newsletter 9: 19-23.

Litzgus, J.D. 2006. Sex differences in longevity in the Spotted Turtle (Clemmys guttata). Copeia 2006(2): 281-288.

Litzgus, J.D. 2009. Feuchtgebiete als Inseln der Ruhe und Glückselligkeit - Erfahrungen aus Langzeitstudien an Clemmys guttata in Kanada. Marginata 22: 10-19.

Litzgus, J.D.; Bolton, F.; Schulte-Hostedde, A.I. 2008. Reproductive output depends on body condition in Spotted Turtles (Clemmys guttata). Copeia 2008(1): 86-92.

Litzgus, J.D.; Brooks, R.J. 1998. Growth in a cold environment: body size and sexual maturity in a northern population of Spotted Turtles, Clemmys guttata. Canadian Journal of Zoology 76(5): 773-782.

Litzgus, J.D.; Brooks, R.J. 1998. Reproduction in a northern population of Clemmys guttata. Journal of Herpetology 32(2): 252-259.

Litzgus, J.D.; Brooks, R.J. 1998. Testing the validity of counts of plastral scute rings in Spotted Turtles, Clemmys guttata. Copeia 1998(1): 222-225.

Litzgus, J.D.; Costanzo, J.P.; Brooks, R.J.; Lee, R.E. 1999. Phenology and ecology of hibernation in Spotted Turtles (Clemmys guttata) near the northern limit of their range. Canadian Journal of Zoology 77(9): 1348-1357.

Litzgus, J.D.; DuRant, S.E.; Mousseau, T.A. 2004. Clinal variation in body and cell size in a widely distributed vertebrate ectotherm. Oecologia (Berlin) 140(4): 551-558.

Litzgus, J.D.; Mousseau, T.A. 2003. Multiple clutching in southern Spotted Turtles, Clemmys guttata. Journal of Herpetology 37(1): 17-23.

Litzgus, J.D.; Mousseau, T.A. 2004. Demography of a southern population of the Spotted Turtle (Clemmys guttata). Southeastern Naturalist 3(3): 391-400.

Litzgus, J.D.; Mousseau, T.A. 2004. Home range and seasonal activity of southern Spotted Turtles (Clemmys guttata): implications for management. Copeia 2004(4): 804-817.

Litzgus, J.D.; Mousseau, T.A. 2006. Geographic variation in reproduction in a freshwater turtle (Clemmys guttata). Herpetologica 62(2): 132-140.

Lodato, M.J. 1985. Geographic distribution: Clemmys guttata (Spotted Turtle). Herpetological Review 16(2): 60.

Lovich, J.E. 1988. Geographic variation in the seasonal activity cycle of Spotted Turtles, Clemmys guttata. Journal of Herpetology 22(4): 482-485.

Lovich, J.E. 1990. Spring movement patterns of two radio-tagged male Spotted Turtles. Brimleyana 16: 67-71.

Lovich, J.E.; Laemmerzahl, A.F.; Ernst, C.H.; McBreen, J.F. 1991. Relationships among turtles of the genus Clemmys (Reptilia, Testudines, Emydidae) as suggested by plastron scute morphology. Zoologica Scripta 20(4): 425-429.

Lowe, B.J.; Parmley, D. 2008. The small vertebrates of a mixed bottomland forest habitat associated with a marsh in central Georgia with comments on the effectiveness of trap type. Georgia Journal of Science 66(2): 72-83.

Lutz, D.J. 2008. Clemmys guttata winter copulation in Michigan, USA. Bulletin of the Chicago Herpetological Society 43(11): 173-174.

Mansfield, P.; Strauss, E.G.; Auger, P.J. 1998. Using decoys to capture Spotted Turtles (Clemmys guttata) in water funnel traps. Herpetological Review 29(3): 157-158.

Maran, J.; Charles, F. 2006. Note sur l'elevagage et la reproduction en captivite de la Clemmyde a gouttelettes, Clemmys guttata (Schneider, 1792) (Reptilia, Chelonii, Emydidae). Cheloniens 4: 26-41.

McDowell, S.B. 1964. Partition of the genus Clemmys and related problems in the taxonomy of the aquatic Testudinidae. Proceedings of the Zoological Society of London 143: 239-279.

Mehrtens, J. 1949. Copulation of Clemmys guttata and Pseudemys troostii elegans. Herpetologica 5(6): 150.

Meylan, P.A. 2006. Clemmys guttata - Spotted Turtle. Chelonian Research Monographs 3: 226-234.

Milam, J.C.; Melvin, S.M. 2001. Density, habitat use, movements, and conservation of Spotted Turtles (Clemmys guttata) in Massachusetts. Journal of Herpetology 35(3): 418-427.

Mittleman, M.B. 1945. Type localities of two American turtles. Copeia 1945: 171.

Moski, H.C. 1957. Algal occurrence on the turtle Clemmys guttata. Copeia 1957: 50-51.

Nemuras, K.T. 1966. Genus Clemmys. International Turtle and Tortoise Society Journal 1: 26-27, 39, 44.

Nemuras, K.T. 1967. Genus Clemmys. International Turtle and Tortoise Society Journal 1(2): 38-40.

Nemuras, K.T. 1979. Turtles of the woodland bog. Conservationist (Albany) 33(6): 7-10.

Netting, M.G. 1936. Hibernation and migration of the spotted turtle, Clemmys guttata (Schneider). Copeia 1986: 112.

Netting, M.G. 1940. The spotted turtle, Clemmys guttata (Schneider). An addition to the herpetofauna of West Virginia. Proceedings of the West Virginia Academy of Science 14: 146-147.

Niederberger, A.J.; Seidel, M.E. 1997. Geographic distribution: Clemmys guttata (Spotted Turtle). Herpetological Review 28(3): 156.

Norman, M.D.; Mitchell, J.C. 2014. Freshwater Turtles in the Blackwater River Drainage in Southeastern Virginia. Banisteria 43: 70-78.

Norris, P. 1984. Notes on the Spotted Turtle (Clemmys guttata). Herptile 9(3): 114-115.

Norris, P. 1985. Notes on Clemmys guttata - the American Spotted Turtle. Rephiberary 97: 2-3.

Norris, P. 1986. Captive breeding of the Spotted Turtle. Clemmys guttata. Herptile 11(3): 107-111.

Norris, P. 1986. Turning turtle. Practical Fishkeeping 1986 (September): 58-59.

Norris, P. 1988. Further progress in breeding the Spotted Turtle (Clemmys guttata). Herptile 13(1): 19-21.

O'Bryan, C.J.; Homyack, J.A.; Baldwin, R.F.; Kanno, Y.; Harrison, A.L. 2016. Novel habitat use supports population maintenance in a reconfigured landscape. ECOSPHERE 7(3): e01228.

Oxenrider, K.J.; Heres, B.M.; Brown, D.J. 2018. Natural history notes: Clemmys guttata (Spotted Turtle). Habitat use. Herpetological Review 49(3): 525-526.

Patrick, D.A.; Gibbs, J.P.; Popescu, V.D.; Nelson, D.A. 2012. Multi-scale habitat-resistance models for predicting road mortality 'hotspots' for turtles and amphibians. Herpetological Conservation and Biology 7(3): 407-426.

Pelletier, S.K.; Carlson, L.; Nein, D.; Roy, R.D. 2006. Railroad crossing structures for Spotted Turtles: Massachusetts Bay transportation authority-Greenbush rail line wildlife crossing demonstration project. pp. 414-423. In: Irwin, C.L.; Garrett, P.; McDermott, K.P. (eds.). On the road to stewardship. International Conference on Ecology and Transportation 2005 Proceedings, August 29 - September 2, 2005, San Diego, California. ITRE, North Carolina State University, Raleigh. 712 pp.

Perillo, K.M. 1997. Seasonal movements and habitat preferences of Spotted Turtles (Clemmys guttata) in north central Connecticut. Linnaeus Fund research report. Chelonian Conservation and Biology 2(3): 445-447.

Peters, U. 1982. Pflege und Zucht der Schildkröten Clemmys guttata und Chrysemys picta marginata. Aquarium (Minden) 16(157): 379-382.

Peters, W.C.H. 1874. Über neue Amphibien (Gymnopis, Siphonops, Polypedates, Rhacophorus, Hyla, Cyclodus, Euprepes, Clemmys). Monatsberichte der Königlich Akademie der Wissenschaften zu Berlin 1874(October): 616-624.

Petzing, J.E.; Phillips, C.A. 2000. Geographic distribution: Clemmys guttata (Spotted Turtle). USA: Connecticut: Fairfield Co. Herpetological Review 31(2): 110.

Rasmussen, M.L.; Litzgus, J.D. 2010. Habitat selection and movement patterns of spotted turtles (Clemmys guttata): effects of spatial and temporal scales of analyses. Copeia 2010(1): 86-96.

Rasmussen, M.L.; Litzgus, J.D. 2010. Patterns of maternal investment in spotted turtles (Clemmys guttata): implications of trade-offs, scales of analyses, and incubation substrates. Ecoscience 17(1): 47-58.

Rasmussen, M.L.; Paterson, J.E.; Litzgus, J.D. 2009. Foraging ecology of Spotted Turtles (Clemmys guttata) in Ontario, Canada. Herpetological Review 40(3): 286-288.

Reeves, D.J.; Litzgus, J.D. 2008. Demography of an island population of Spotted Turtles (Clemmys guttata) at the species' northern range limit. Northeastern Naturalist 15(3): 417-430.

Ritchie, S. 2004. Clemmys guttata (Spotted Turtle). Catesbeiana 24(2): 74.

Roddewig, E. 2012. [Husbandry and breeding of the spotted turtle, Clemmys guttata (Schneider, 1792)]. (In German). Radiata 21(2): 4-22.

Roe, J.H.; Nacy, J.P. 2017. Natural history notes: Terrapene carolina carolina (Eastern Box Turtle) and Clemmys guttata (Spotted Turtle). Interspecific interaction. Herpetological Review 48(1): 181-182.

Ross, D.A.; Lovich, J.E. 1992. Does the color pattern of two species of turtles imitate duckweed? Journal of the Pennsylvania Academy of Science 66(1): 39-42.

Rowe, J.W.; Gradel, J.R. 2013. Body size and sex ratio in a population of Spotted Turtles (Clemmys guttata) in southwestern Michigan. Herpetological Review 44(1): 49-53.

Rowe, J.W.; Gradel, J.R.; Bunce, C.F. 2013. Effects of weather conditions and drought on activity of Spotted Turtles (Clemmys guttata) in a southwestern Michigan wetland. American Midland Naturalist 169(1): 97-110.

Rowe, J.W.; Gradel, J.R.; Bunce, C.F.; Clark, D.L. 2012. Sexual dimorphism in size and shell shape, and dichromatism of spotted turtles (Clemmys guttata) in southwestern Michigan. Amphibia-Reptilia 33(3-4): 443-450.

Ruther, E.; Degregorio, B.; Sperry, J.; Sekscienski, S. 2017. Natural history notes: Clemmys guttata (Spotted Turtle). Longevity. Herpetological Review 48(4): 834.

Schaefer, I. 2000. Haltung, Nachzucht und soziales Verhalten der Tropfenschildkröte Clemmys guttata Schneider, 1783. pp. 123-128. In: Artner, H.; Meier, E. (eds.). Schildkröten. Grosses Schildkrötensymposium. 5. Jahrestagung der Schildkrötenfreunde Österreich. Salzburg, 16. bis 19. Jänner 1997. Natur und Tier-Verlag, Münster. 181 pp.

Schaefer, I. 2009. Langjährige Nachzucht der Tropfenschildkröte (Clemmys guttata). Marginata 22: 20-27.

Schaeffer, I. 1994. Haltung und Nachzucht der Tropfenschildkröte (Clemmys guttata). Salamandra 30(1): 22-32.

Schlauch, F.C. 1976. City snakes, suburban salamanders. Natural History (New York) 85(5): 46-53.

Seburn, D.C. 2003. Population structure, growth, and age estimation of Spotted Turtles, Clemmys guttata, near their northern limit: an 18-year follow-up. Canadian Field Naturalist 117(3): 436-439.

Seburn, D.C. 2012. Why didn't the Spotted Turtle (Clemmys guttata) cross the road. Herpetology Notes 5: 527-530.

Steen, D.A. 2013. Natural history notes: Clemmys guttata (Spotted Turtle). Reproduction. Herpetological Review 44(3): 501.

Stevenson, D.J.; Jensen, J.B.; Schlimm, E.A.; Moore, M. 2015. The distribution, habitat use, activity, and status of the Spotted Turtle (Clemmys guttata) in Georgia. Chelonian Conservation and Biology 14(2): 136-142.

Stevenson, D.J.; Mays, J.D.; Chandler, H.C. 2018. Natural history notes: Clemmys guttata (Spotted Turtle). Coloration. Herpetological Review 49(2): 317-318.

Storms, G.; Philippen, H.D. 2009. Erfahrungen mit der Freilandhaltung der Nordamerikanischen Tropfenschildkröte (Clemmys guttata). Marginata 22: 28-30.

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